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Service bulletin TSB1501050123201

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10154243
Published by NHTSA2019-03-11
Manufacturer's numberTSB1501050123201
Manufacturer's date2019-01-23
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This Technical Service Bulletin details how to identify an obsoleted 3-bung (ammonia (NH3) sensor) Selective Catalytic Reduction (SCR) part number, corresponding 2-bung (no ammonia (NH3) sensor) SCR replacement part number, corresponding engine control module (ECM) code and Critical Parts List (CPL) replacement numbers, and 2-bung SCR wiring harness replacement part numbers. This is an update to a previously submitted communication.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories, Labels and manuals

Vehicles listed
CUMMINS ISB6.7
CUMMINS ISL9

Listing a model year does not mean every vehicle of it is concerned: the document says which.